The total distance that wanda has traveled in miles, d, is given by the equation d=20t + 4, where t is the time traveled in hours. at what rate is wanda traveling in miles per hours? a. 4 miles per hour b. 5 miles per hour c. 20 miles per hour d. 24 miles per hour

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is